How do I redeem a promo code or coupon code?

Actualizada 

Some of Gopuff promotions and discounts will be automatically applied to your order. To see if you have any discounts on your account, you can add any product to your bag and visit the bag page. If there are auto-applied discounts, you will see the discounts applied to your order subtotal. To enter a discount code to your order, use the Discount code box on the checkout page. Only one manual entry code may be applied per order. In some cases, certain promotion and discount codes cannot be used together in the same order.